export const mixin = {
	methods:{
		//关于课程等级
		courseType( courseLevel ){
			let value = '';
			switch( courseLevel ){
				case 1:
					value = '初级'
				break;
				case 2:
					value = '中级'
				break;
				case 3:
					value = '高级'
				break;
			}
			return value;
		},
		//关于课程观看人数
		courseNumber( value ){
			const newValue = ['', '', '']
			let fr = 1000
			let num = 3
			let text1 = ''
			let fm = 1
			while (value / fr >= 1) {
			  fr *= 10
			  num += 1
			  // console.log('数字', value / fr, 'num:', num)
			}
		  if (num <= 8) { // 万
			  text1 = parseInt(num - 4) / 3 > 1 ? '千万' : 'W'
			  // tslint:disable-next-line:no-shadowed-variable
			  fm = text1 === 'W' ? 10000 : 10000000
			  if (value % fm === 0) {
				newValue[0] = parseInt(value / fm) + ''
			  } else {
				newValue[0] = parseFloat(value / fm).toFixed(1) + ''
			  }
			  newValue[1] = text1
			}
			if (value < 1000) {
			  newValue[0] = value + ''
			  newValue[1] = ''
			}
			return newValue.join('')
		}
	}
}